Improve the Docker image

.dockerignore

@@ -0,0 +1,16 @@
+node_modules/
+*.swp
+.lock-wscript
+lib/
+Makefile.gyp
+*.Makefile
+*.target.gyp.mk
+*.node
+example/*.log
+docs/
+npm-debug.log
+/.idea/
+.env
+build/
+.vscode/
+.git/

.editorconfig

@@ -5,6 +5,7 @@ indent_style = space
 indent_size = 2
 insert_final_newline = true
 trim_trailing_whitespace = true
+end_of_line = lf
 
 [*.{j,t}s]
 max_line_length = 100

Dockerfile

@@ -1,4 +1,24 @@
-FROM node:4-onbuild
+FROM node:6.9
 MAINTAINER Paris Kasidiaris <[email protected]>
 
-EXPOSE 3000
+# Install cpio, used for building
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends cpio \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set the working directory
+WORKDIR /usr/src/app
+
+# Set an entrypoint, to automatically install node modules
+ENTRYPOINT ["/bin/bash", "-c", "if [[ ! -d node_modules ]]; then npm install; fi; exec \"${@:0}\";"]
+CMD ["npm", "run", "dev"]
+
+# First, install dependencies to improve layer caching
+COPY package.json /usr/src/app/
+RUN npm install
+
+# Add the code
+COPY . /usr/src/app
+
+# Run the tests and build, to make sure everything is working nicely
+RUN npm run build && npm run test

docker-compose.yaml

@@ -0,0 +1,9 @@
+version: '2'
+
+services:
+  web:
+    build: ./
+    volumes:
+     - ./:/usr/src/app
+    ports:
+      - 3000:3000